An atom with a positive charge has

A biologist isolates a large, unidentified molecule from some cells in his lab. He determines that the macromolecule breaks into smaller pieces in the presence of water. What reaction has he observed?

Which substance in your acid/base experiments served as the acid/base indicator

Which of the following pH values represents an acid

The “backbones” of the macromolecules of life are all made of what element?

Unsaturated fats __________.

Which of the following is a unique characteristic of water

Individual water molecules attract one another and are loosely held together via:

Which of the following is an example of a macronutrient?

Glucose and fructose are simple sugars which means they are